Little Dog can refer to:
Canis Minor, the constellation Little Dog (TV series), a Canadian television comedy-drama series LittleDog, a small quadruped robot developed by Boston Dynamics for research in 2010 Little Dog Mountain, in Montana Little Dog Island, in Tasmania Little Seal Dog Island, in the British Virgin Islands "Little Dog", a song by Lou Reed and Metallica from Lulu Little dog, a non standard poker hand
See also Big Dog (disambiguation)